Ridewell RWB-QUAD four-axle suspensions

The Ridewell RWB-QUAD series of four-axle, walking beam suspensions is available in 120,000-lb. and 200,000-lb. capacities using 5-in. and 5 ¾-in. axles. Axle spacing is available in 50 inches and 56 inches, and beam spacing can be customized.